Catalina Island Marathon

Avalon, United States • 14 Mar 2026

The Catalina Island Marathon, held annually in Avalon, California, is California’s oldest trail marathon and the State Off-Road Marathon Championship. The 48th edition in 2026 offers marathon (26.2 miles), 10K, 5K, and kids' runs, along with a Triple Crown Challenge combining multiple events. The course showcases stunning ocean views, rolling green hills, and rugged trails through the Catalina Island Conservancy, providing a scenic and challenging off-road running experience. This iconic race is celebrated for its natural beauty and historic trails, making it a bucket-list event for trail runners. The event fosters a vibrant atmosphere and supports the local island community. Visit the organization's website for the most recent information.

Race information

26 mi
Catalina Island Marathon 26.2 Miles
6 mi
Catalina Island 10k 6.2 Miles
3 mi
Catalina Island 5k 3.1 Miles
Catalina Island Triple Crown Challenge
Kids Run
Visit the organization's website for the most recent information.
Trail runs nearby

The Catalina Island Half-Marathon & 10K is a scenic trail running event held in Avalon, California. The half-marathon covers 13.1 miles, starting in Avalon and passing the historic Wrigley Mansion before entering Catalina Island’s rugged interior. Runners face challenging climbs leading to breathtak..